vice president joe biden today he said it that is ruffling feathers. i was speaking to a group of students. soothe ents do much to tensions. from beijing we have the latest. in asia rising china is asserting itself. america is responding. ed lines are being tested by beijing. and some have suggested the u.s. decline. the sole rica remains super power. joe biden met many of the hoping to get u.s. visas. >> challenge the government. your teachers. challenge religious leaders. letting china's president status quo is not something america is about to happen. >> you're candid and onstructive in developing this new relationship both qualities are needed. china's leaders adopting the term. ationalist >> this is the issue they've in the sea specs controlled by japan but claimed by china. months china has been endingships to probe japan's resolve, flexing the new naval forces it's building. the islands lie far to the southwest of japan and had an the efense zone covering area. last week china announced its overlapping japans, demanding aircraft here following b